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[Xen-devel] Re: about hot plug issue

Any extreme case is going to stress the crap out of the dom0
hotplug subsystem; it's not clear it was designed for the sort
of workloads xen puts on it :-(

BTW, your attachment was stripped, but I think we can probably
work out what it does.



----- Original Message ----- From: "Yu, Ping Y" <ping.y.yu@xxxxxxxxx>
To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
Cc: <Christian.Limpach@xxxxxxxxxxxxx>; <sos22@xxxxxxxxx>; "Steven Hand" <steven.hand@xxxxxxxxxxxx>
Sent: Tuesday, September 26, 2006 8:36 AM
Subject: about hot plug issue

We found that cs 11554 increases some of timeout to fix
the hot plug issue when starting 4 VMX simultaneously.
Thanks for the quick reponse to nightly status report.

But we found that when in an extremely condition, like
creating 12 VMX domains and 4 XENU domains at the same
time, sometimes we still can meet this bug. Attached is a
demo script to start many domains. So we just wonder changing
the timout value could not resolve this issue completely.
At the same time, we found when main_loop_wait is increased to
100 ms, windows guest's keyboard and mouse response is
significantly slower.


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